Lots of Log files in the MDBDATA Folder
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Lots of Log files in the MDBDATA Folder

 
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Austin
Guest
Posted: Wed Jan 19, 2005 11:31 pm    Post subject: Lots of Log files in the MDBDATA Folder Reply with quote
This is on Exchange 2003 SP1

A few days ago there were so many of these I was unable to mount the
databases till I cleared out all the logs but the E00.log and the res1-2.logs.

What is the deal with these log files, is it a general maint to go in and
clean these up every so often? is there a way to stop them from filling up
this directory.

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Ben Winzenz [Exchange MVP
Guest
Posted: Wed Jan 19, 2005 11:36 pm    Post subject: Re: Lots of Log files in the MDBDATA Folder Reply with quote
What you see in there are transaction logs of everything that Exchange does.
Think of it as the actual e-mail transactions that take place. Performing a
normal online backup of Exchange will clear out all log files that have been
committed to the database. It is not recommend to manually clear out the
log files, as it will prevent you from restoring to a point-in-time failure
if something happens.

--
Ben Winzenz
Exchange MVP


"Austin" <Austin@discussions.microsoft.com> wrote in message
news:BBEA6D45-6B3C-447A-888F-A82AD40ABA3C@microsoft.com...
Quote:
This is on Exchange 2003 SP1

A few days ago there were so many of these I was unable to mount the
databases till I cleared out all the logs but the E00.log and the
res1-2.logs.

What is the deal with these log files, is it a general maint to go in and
clean these up every so often? is there a way to stop them from filling up
this directory.
Back to top
Rui J.M. Silva
Guest
Posted: Wed Jan 19, 2005 11:43 pm    Post subject: Re: Lots of Log files in the MDBDATA Folder Reply with quote
As Ben said, those logs are extremely important, so don't mess with them.
A regular online backup is enough to clear the transaction logs.
You can read more information about the infromation store on these articles:
"Working with the Exchange Server 2003 Store"
http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/e2k3store.mspx

"The Exchange Server 2000 Database Structure: It's always a rainy day when
you're doing restorations"
http://www.msexchange.org/tutorials/The_Exchange_Server_2000_Database_Structure_Its_always_a_rainy_day_when_youre_doing_restorations.html

"Exchange Server Transaction Logs "
http://www.winnetmag.com/Windows/Article/ArticleID/4785/4785.html
This one is about to Exchange 5.5, but the information provided is also true
for Exchange 200x.

--
Blog "subject: exchange"
http://spaces.msn.com/members/ehlo


"Austin" <Austin@discussions.microsoft.com> wrote in message
news:BBEA6D45-6B3C-447A-888F-A82AD40ABA3C@microsoft.com...
Quote:
This is on Exchange 2003 SP1

A few days ago there were so many of these I was unable to mount the
databases till I cleared out all the logs but the E00.log and the
res1-2.logs.

What is the deal with these log files, is it a general maint to go in and
clean these up every so often? is there a way to stop them from filling up
this directory.


Back to top
Austin
Guest
Posted: Wed Jan 19, 2005 11:53 pm    Post subject: Re: Lots of Log files in the MDBDATA Folder Reply with quote
Awesome, Thankyou both for all the information.



"Rui J.M. Silva" wrote:

Quote:
As Ben said, those logs are extremely important, so don't mess with them.
A regular online backup is enough to clear the transaction logs.
You can read more information about the infromation store on these articles:
"Working with the Exchange Server 2003 Store"
http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/e2k3store.mspx

"The Exchange Server 2000 Database Structure: It's always a rainy day when
you're doing restorations"
http://www.msexchange.org/tutorials/The_Exchange_Server_2000_Database_Structure_Its_always_a_rainy_day_when_youre_doing_restorations.html

"Exchange Server Transaction Logs "
http://www.winnetmag.com/Windows/Article/ArticleID/4785/4785.html
This one is about to Exchange 5.5, but the information provided is also true
for Exchange 200x.

--
Blog "subject: exchange"
http://spaces.msn.com/members/ehlo


"Austin" <Austin@discussions.microsoft.com> wrote in message
news:BBEA6D45-6B3C-447A-888F-A82AD40ABA3C@microsoft.com...
This is on Exchange 2003 SP1

A few days ago there were so many of these I was unable to mount the
databases till I cleared out all the logs but the E00.log and the
res1-2.logs.

What is the deal with these log files, is it a general maint to go in and
clean these up every so often? is there a way to stop them from filling up
this directory.


Back to top
 
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